html, body, h1, h2, h3, h4, h5, ul, li{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
    
}
a {
    text-decoration: none;
}

html, body {
    background-color: #3F6885;
}
#app {
    max-width: 960px;
    min-width: 320px;
    margin: 0 auto;
}

/* 媒体查询，使用rem布局适当调整 */
@media screen and (max-width: 768px){
    html {
        font-size: 12px;
    }
}
@media screen and (max-width: 375px){
    html {
        font-size: 10px;
    }
}

/* 调整高度使用 */
.h-3{
    line-height: 3rem;
    height: 3rem;
}